Home / 11,919.24-17,878.92-4,998.60

Finding the Fourth Proportional to 11,919.24, 17,878.92 and 4,998.60

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Solution

The fourth proportional to 11,919.24, 17,878.92 and 4,998.60 is: 7,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.24 : 17,878.92 = 4,998.60 : x
  2. Step 2: Convert to fraction form
    11,919.24/17,878.92 = 4,998.60/x
  3. Step 3: Cross multiply
    11,919.24x = 17,878.92 × 4,998.60
  4. Step 4: Simplify right side
    11,919.24x = 89,369,569.51
  5. Step 5: Solve for x
    x = 89,369,569.51/11,919.24
  6. Step 6: Final answer
    x = 7,497.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.